When both arms, or more in the case of extra_arms, are raised.
- the hands being around eye level or higher
- the upper arms are away from body and not at the character's side
If only one arm is raised, use arm_up instead.
If the arms are also stretched away from the body in any way, add outstretched_arms.
If the arms are spread relatively perpendicular, use spread_arms instead.
- arms at sides
- arms around neck
- arms behind back
- arms behind head
- crossed arms
- locked arms
- outstretched arms
- spread arms
- v arms
- w arms